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16
CHANGING HYDRAULIC FLUID
CAUTION
Keep dirt, water and other contaminants from entering the hydraulic system.
Before opening the hydraulic fl uid reservoir fi ller cap, drain plug and hydrau-
lic lines, clean up contaminants that can get in the openings. Also, protect the
openings from accidental contamination.
+50 to +120 Degrees F - Grade ISO 32
Below + 70 Degrees F - Grade ISO 15 or MIL-H-5606
NOTE: Use correct grade of hydraulic fl uid for your location.
See TABLES 15-1 & 15-2 for recommended brands.
1. Unbolt and remove pump cover
(FIG. 16-1). Place empty 5
gallon bucket under drain plug
(FIG. 16-2).
2. Open and raise platform to vehicle bed
height. Pull out (no threads) drain plug
(FIG. 16-2). Drain hydraulic fl uid.
UNBOLTING PUMP COVER
FIG. 16-1
POWER UNIT
FIG. 16-2
DRAIN PLUG
PERIODIC MAINTENANCE
FILLER CAP
CAP SCREW,
5/16”-18
(2 PLACES)
HOLDER FLAT
(2 PLACES)
FLAT WASHER,
5/16”
(2 PLACES)
NYLON NUT,
5/16”-18
(2 PLACES)
PUMP COVER
POWER UNIT
(REF)
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